how the current in a circuit knows that "the circut is open or close"?
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When the key is open no current flows
Whe the key is closed current flows through the circuit
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Whe the key is closed current flows through the circuit
Hope this helped you
Please mark as brainliest answer
gourav1134:
i know that...
then...
what r u asking
lol
.....
the circuit has only a voltage source and resister ...and it is open in the middle
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